* {
    margin: 0;
    padding: 0;
}

:root {
    --fons: 24px;
}

body {
    background: url(../renwu2img/1.jpg) center fixed;
    background-size: cover;
}

h1 {
    text-align: center;
    font-size: calc(var(--fons)*2);
    /* font-weight: 300; */
    letter-spacing: 10px;

}

.centerbox {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    border-radius: 50px;
    backdrop-filter: blur(25px);
    overflow: hidden;
    padding: 10px;
}

.inputbox {
    width: 100%;
    height: 40%;
    /* background: #9c9c9c; */
}

.submitbox {
    height: 20%;
    width: 100%;
    /* background: yellow; */
}

input {
    border: none;
    outline: none;
}

/* .zhanghao{
    width: 80%;
    height: 30px;
    background: rgb(230, 230, 230);
    border-radius: 10px;
    backdrop-filter: blur(25px);
    display: flex;
    justify-content: center;
    padding: 5%;
    margin: 5%;
} */
/* .zhanghao p {
    text-align: center;
    line-height: 30px;
} */
.mima,
.zhanghao,
.mima2 {
    width: 90%;
    /* padding: 5%; */
    display: flex;
    justify-content: center;
    margin: 5%;
}

.mima p,
.zhanghao p,
.mima2 p {
    background: rgb(230, 230, 230);
    padding: 5%;
    padding-right: 0;
    padding-left: 0;
    width: 27%;
    height: 30px;
    text-align: center;
    line-height: 30px;
    /* border-radius: 10px 0 0 10px ; */
    margin-right: 5%;
}



.mima input,
.zhanghao input,
.mima2 input {
    width: 70%;
    height: 30px;
    padding: 5%;
    background: rgb(230, 230, 230);
    /* border-radius: 0 10px 10px 0; */
}

.zhanghao input {
    border-radius: 0px 10px 10px 10px;
}

.zhanghao p {
    border-radius: 10px 0px 10px 10px;
}

.mima input,
.mima p {
    border-radius: 10px;
}

.mima2 input {
    border-radius: 10px 10px 10px 0;
}

.mima2 p {
    border-radius: 10px 10px 0px 10px;
}

/* .zhanghao input{
    width: 80%;
    height: 30px;
    line-height: 30px;
} */
.submitbox {
    width: 100%;
    display: flex;
}
a{
    text-decoration: none;
    background: white;
    color: black;
}
.submitbox input,
.submitbox button,
.submitbox a{
    width: 40%;
    display: block;
    margin: 5%;
    padding: 5%;
    /* background: #000; */
    text-align: center;
    list-style: none;
    border: none;
    border-radius: 10px;
    box-shadow: 0px 0px 4px 5px #dcdada;

}

.submitbox input:active,
.submitbox button:active,
.submitbox a:active {
    box-shadow: inset 0px 0px 6px 1px black;
}